35 / 1983
ESTRO: Evidence-based Radiation Oncology
Big Data
Challenges
Big data
Clinical trial
Bias
Disadvantage
Advantage
Detailed relevant data
Disadvantage
Advantage
Sample size
Advantage
Disadvantage
Timely results
Advantage
Disadvantage
“Generalizability”
Advantage
Disadvantage
Chen Int J Radiat Oncol Biol Phys 2016
In USA only 3% of the patients‘ data are used in clinical research